5305-00-857-5679

Find complete technical information, availability, and procurement data for: 5305-00-857-5679
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-857-5679

Item Name Code

06657

Assigment Date

01/01/1962 (64 years ago)

A clamp designed to surround other item(s) such as cable(s), conduit(s), pipe(s), hose(s), or tube(s), and to fasten together or to another object or structure. Includes straight flexible items. For items specifically designed to clamp a hose to a connection to prevent leakage, see clamp, hose. See also hanger, pipe and clip, spring tension. For retaining straps with a bridge, see strap, retaining. Excludes:clamp, electrical; band, retaining; clamp (1), c; bracket pipe.

0.477 inches minimum and 0.507 inches maximum head diameter, 0.928 inches minimum and 0.948 inches maximum thread length, flat countersunk head style, right-hand thread direction, 0.928 inches minimum and 0.948 inches maximum fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand
Thread Length: 0.928 inches minimum and 0.948 inches maximum
Fastener Length: 0.928 inches minimum and 0.948 inches maximum
Head Style: flat countersunk
Head Diameter: 0.477 inches minimum and 0.507 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Nonstandard Thread Pitch Diameter: +0.2213 to 0.2233 inches
Thread Quantity Per Inch: 28
Countersink Angle: 100.0 degrees nominal
Screw Material: iron alloy 660
Screw Material Document And Classification: ams 5735 assn std single material response
Screw Surface Treatment: passivate
Thread Series Designator: unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
349283	Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-857-5679?

The FSCG of the NSN 5305-00-857-5679 is 5305

Does the NSN 5305-00-857-5679 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-857-5679 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-857-5679 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-857-5679 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-00-857-5679 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962